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Old 08-11-2022, 02:53 PM   #1
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Join Date: Dec 2016
Location: Boston MA
Default poor starting on low tank (its not the pump)

yes ive already changed the in-tank pump

my '92 240 wagon (+T LH 2.4 with a TLAO chip)

is frequently hard to start when the tank is low. but runs fine otherwise. I swapped the in tank pump for new last week and still have the issue. Often i can get it going with some gas pedal input.

I am assuming the main pump is unlikely to fail "a little bit", and its only 3 years old anyway. The whole fuel system (filter, both pumps, supply and return fuel lines, FPR and injectors, are all less than 5 years old.

what are my next steps for diagnosing?

left to my own devices inclined to look at the IAC valve or fuel pressure, but am i missing something?
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